Set Out of Office Reply as an Admin
You might be able to set the automatic reply in Outlook yourself, but what if you become ill or injured, and can’t get to the task yourself? Your admin can do this in the Exchange Admin Center or Microsoft 365.
Once you’re logged into the Microsoft 365 Admin Center and then to the Exchange Admin Center, navigate to Recipients Mailboxes. The trick to this is to now select your account profile icon from the top left and choose. “Another user…”.